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High resolution NMR structure of the theta-defensin HTD-2 (retrocyclin 2)
Authors
Conibear, A.C., Rosengren, K., Harvey, P.J., Craik, D.J.
Assembly
theta-defensin HTD-2 (retrocyclin 2)
Entity
1. theta-defensin HTD-2 (retrocyclin 2) (polymer), 18 monomers, 2041.587 Da Detail

GICRCICGRR ICRCICGR


Formula weight
2041.587 Da
Source organism
Homo sapiens
Exptl. method
solution NMR
Refine. method
simulated annealing, torsion angle dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 82.7 %, Completeness (bb): 74.1 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All82.7 % (163 of 197)96.2 % (102 of 106)68.5 % (50 of 73)61.1 % (11 of 18)
Backbone74.1 % (80 of 108)100.0 % (39 of 39)58.8 % (30 of 51)61.1 % (11 of 18)
Sidechain90.4 % (94 of 104)94.0 % (63 of 67)83.8 % (31 of 37)
Methyl100.0 % (16 of 16)100.0 % (8 of 8)100.0 % (8 of 8)

1. HTD-2

GICRCICGRR ICRCICGR

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 5.0 (±1.0), Details 1.0 mM, pH 5


#NameIsotope labelingTypeConcentration
1HTD-2natural abundance1.0 mM
2H2Onatural abundance90 %
3D2Onatural abundance10 %
Sample #2

Solvent system 100% D2O, Pressure 1 atm, Temperature 298 K, pH 5.0 (±1.0), Details 1.0 mM, pH 5


#NameIsotope labelingTypeConcentration
4HTD-2natural abundance1.0 mM
5D2Onatural abundance100 %

Protein Blocks Logo
Calculated from 20 models in PDB: 2LZI, Strand ID: A Detail


Release date
2012-11-26
Citation
Structural characterization of the cyclic cystine ladder motif of θ-defensins
Conibear, A.C., Rosengren, K., Harvey, P.J., Craik, D.J.
Biochemistry (2012), 51, 9718-9726, PubMed 23148585 , DOI 10.1021/bi301363a ,
Entries sharing articles BMRB: 2 entries Detail
  BMRB: 18722 released on 2012-11-26
    Title High resolution NMR solution structure of a symmetrical theta-defensin, BTD-2.
  BMRB: 18723 released on 2012-11-26
    Title High resolution NMR solution structure of the theta-defensin RTD-1
Related entities 1. theta-defensin HTD-2 (retrocyclin 2), : 1 : 1 : 12 entities Detail
Experiments performed 6 experiments Detail
NMR combined restraints 5 contents Detail
Keywords cyclic cystine ladder, cyclic peptides, theta-defensin